Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

15th August 2017

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Enlarging with Negative Scale Factors3 marks
The point (4, -4) is enlarged by scale factor -1 about the centre (2, 1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 3 in B only, 2 in both and 5 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
55 newts are marked and released. Later 40 are caught, of which 5 are marked. Estimate the population.
4
Reverse Percentages3 marks
A bill is £312 including VAT at 20%. Work out the amount before VAT.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 4. Work out the gradient of any line perpendicular to it.

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